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(No Model.) I W. R. SIDEBOTTOM.

SPINDLE AND BOBBIN FOR SPINNING AND DOUBLING MACHINES.

Patented Aug. 25, 1891 F a r. a c F Q\\ X H w ww 7/%/ v QM V W H UNITEDSTATES PATENT OFFICE.

\VILLIAM ROBY SIDEBOTTOM, OF STOCKPORT, ENGLAND.

SPINI DLE AND BOBBIN FOR SPINNING AND DOUBLING MACHINES.

SPECIFICATION forming part of Letters Patent No. 458,431, dated August25, 1891.

Application filed March 25, 1890. Serial No. 345,204- (No model.)Patented in England February 6, 1889, No. 2,112 in France December 16,1889, No. 202,615; in Switzerland DecembenZ L, 1889, No. 1,782, and inAustria-Hungary April 27, 1890, No.

To all whom it may concern:

Beit known that 1, WILLIAM RoBY SIDE- BOTTOM, cotton-spinner, of HeatonNorris, Stockport, in the county of Lancaster, England, have inventedcertain new and useful Improvements in Spindles and Bobbins for Spinningand Doubling Machines, (for which Ihave obtained patents numbered anddated as follows: in Great Britain, No. 2,112, dated February 6, 1889;in France, No. 202,615, dated December 16, 1889; in Switzerland, No.1,782, dated December 24, 1889, and in Austria-Hungary,No. 3,153, datedApril 27, 1890,) of which the following is a specification.

My invention relates to means for imparting rotary motion to the bobbinsor tubes used in certain machinery used for spinning and doubling cottonand other fibrous materials.

In the accompanying drawings, Figure 1 is a longitudinal section, andFig. 2 a cross-section, taken on the plane indicated by the line A A ofFig. 1, showing one arrangement of my invention. Fig. 3 is a View,partly in longitudinal section, showing my invention as employed inconjunction with bobbins formed with heads or flanges; and Fig. 4:18 alongitudinal section illustrating another arrangement of my invention.

According to my invention I provide the bobbin or tube with a foothaving a surface or surfaces parallel with a surface or surfaces formedon or fixed to the spindle, the said bobbin or tube being so formed thatit will pass freely onto the spindle, with the parallel surfaces inposition to come into engagement with one another when the bobbin ortube shifts its position laterally during its revolution with thespindle. I further provide for maintaining the bobbins or tubes at auniform height by fixing seats or supports to the spindle, upon whichseats or supports the bobbins or tubes, when passed freely onto thespindle, are allowed to rest. By the above means I am enabled to employsuccessfully in ring-spinning and ring-doubling machinery bobbins ortubes provided with heads or flan ges, since their uniform height oruniform Vertical position upon the spindles is insured by allowing themto rest freely upon their seats.

In the arrangement shown in Figs. 1 and 2 of the accompanying drawingsthe tube or bobbin a is provided with a surface I) at its foot, in thepresent instance represented as a cylindrical surface.

The spindle is represented by c, and upon this I mount a cup d, the walle of which is provided with an internal surface parallel with thesurface I). The foot of the bobbin upon which the surface I) is formedis allowed to pass freely within the wall e of the cup d. The tube orbobbin a, both at its upper portion a and at its foot, is intended topass freely over the spindlc and to rest at its lower end upon theshoulder or part cl of the cup d.

In the form shown in Fig. 3 the bobbin or tube a is distinguished fromthat shown in Fig. 1 by being provided with a pronounced head or flange0, and differs in its arrangement from that shown in Fig. 1,in thatwhile in Fig. 1 the tube which passes freely over the spindle rests uponthe bottom or shoulder d of the cup in Fig. 3 the said tube rests uponthe upper edge d of the cup, the outwardlyprojected portion of the heada engaging therewith. In other respects the structure shown in Fig. 3 isquite similar to that shown in Fig. 1.

In the form shown in Fig. 4 the bobbin or tube ais provided with apronounced head or flange a quite similar to that shown in Fig. 3, theform here shown difiering from that shown in Figsl and 3, in that thesurrounding wall 6 of the cup d, as shown in Figs. 1 and 3, is omittedand the bobbin or tube is allowed to rest upon the outwardly-projectedflange g of a collar or sleeve g. Furthermore, in Fig. 4: the surface,in connection with the spindle, which is parallel with the surface aupon the foot of the bobbin, is formed upon a boss, collar, or enlargedportion f on the spindle, and the corresponding surface with which thesurface f on the spindle engages when the bobbin shifts laterally is onthe inner side of the foot I).

In each of the forms herein shown the tube or bobbin a is intended topass freely over the spindle and to rest upon a support without anywedging or binding between the bobbin and any part of the spindle. Fromthe fact that the tube or bobbin is freely passed over the spindle itfollows that the said tube or bobbin must have to some extent a lateralmovement bodily with respect to the spindle. In the form shown in Figs.1 and 8 such lateral movement of the bobbin with respect to the spindlewill throw the surfaces 12 at the foot into engagement with the walls 6of the cups, while in the form shown in Fig. 4 such movement will throwthe surface a at the foot of the bobbin into engagement with the surfacef on the spindle.

In operation,when the spindles are caused to commence rotating, theweight of the bobbins or tubes resting upon the cups or other bobbinscan be used holding a much greater seats will produce suflicientfriction to rotate the bobbins or tubes with the spindles. As the speedof the spindles increases, the bobbins or tubes, in consequence of notbeing fitted tightly to the spindles, cups, or parts provided withsurfaces to be engaged by the bobbins, will be thrown aside bycentrifugal force, thereby bringing the parallel surfaces upon thebobbins or tubes and the spindles into contact, and the said bobbins ortubes will be thereby effectually driven. The movement of the bobbin ortube laterally under centrifugal force will take place because of thesaid bobbin or tube being more or less unbalanced upon its center, andalso becauseof the drag caused by the travelers, which, as the motionbegins, will draw slightly upon one side of the said bobbins or tubes.After the high speed is once attained and the centrifugal force broughtin full action the bobbin will be carried at the same speed as thespindle, for the reason that more friction would be caused by the bobbinslipping than would be required to drive it at the same speed.

Fig. 1 shows a simple means of adapting theinvention to ordinaryring-spindles already at work, all that is required being to make theinternal surface of the cup parallel with the axis of the spindle and toprovide the bobbin, spool, or tube with a foot the external surface ofwhich is parallel with its own axis and the interior of which will passfreely over that portion of the spindle which it surrounds.

By the herein-described structure and arrangement a loose bobbin or tubecan be kept in position and effectively driven in spinning and doublingcotton and other fibrous materials on ring-frames with the followingadvantagesnan1ely, that the spindles are not liable to be strained indoffing owing to bob bins or spools binding too tightly; that flangedlength of yarn, reducing the frequency of doffing and reducing the costof winding, and that by substituting the uniform lift of the full lengthbetween the flanges of the bobbin instead of the copping-motion lift therapid variation or fluctuation in the speed of the traveler is avoided.

What I claim is- In combination, a rotary spindle having a frictionaldriving or contact surface and a bobbin seat or support afiixed theretoand a bobbin having a corresponding surface fitted to come in engagementwith the said driving or contact surface on the spindle when the bobbinchanges position laterally during its revolution with the spindle, thesaid bobbin having a loose engagement with the spindle without bindingthereon at any point, substantially as set forth.

WILLIAM ROBY SIDEBOTTOM.

\Vitnesses:

ARTHUR C. HALL,

9 Main 815., lllcmchesfer. W. T. CHEE'IHAM,

Patent Agent, .Manchester.

